Using the Sound Card as a Timer
classification
⚛️ physics.pop-ph
physics.class-phphysics.ed-ph
keywords
accuracyaudioballcardcasescomparabledigitalexperiment
read the original abstract
Experiments in mechanics can often be timed by the sounds they produce. In such cases, digital audio recordings provide a simple way of measuring time intervals with an accuracy comparable to that of photogate timers. We illustrate this with an experiment in the physics of sports: to measure the speed of a hard-kicked soccer ball.
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